< Educational Resource For Grades 6-12  /  Ages 11 & Up 10 Core Math Subjects   2200 Excercises guaranteed to raise grades and test scores 345 Lessons and skill building exercises adapted to different learning levels developed to supplement classroon curriculum Track Progress with quizzes and tests XP Compatible   The box has been opened but the CDs have never been watched $10.00 (you save 75%)   Marilena Betancourt 412 661-5764